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what do i need to vote in illinois

You need to be registered to vote in Illinois and then, in most cases, you can vote without showing ID at the polling place, unless certain special situations apply.

Basic eligibility to vote in Illinois

To be eligible to vote in Illinois, you generally must:

  • Be a U.S. citizen.
  • Be a resident of your voting jurisdiction (your precinct) for at least 30 days before the election.
  • Be 18 years old by Election Day (you can vote in a primary at 17 if you will be 18 by the general election).

Illinois allows people with prior criminal convictions to vote as long as they are not currently in prison for a felony sentence.

What you need to register

When you register to vote, Illinois typically needs some ID details or documents, depending on how you register.

For online registration , you usually need:

  • Illinois driver’s license or state ID number.
  • Date the ID was issued.
  • Last four digits of your Social Security number.
  • Date of birth.

For in‑person or mail registration , you generally need two forms of ID , with at least one showing your current address, for example:

  • Illinois driver’s license or state ID.
  • U.S. passport or other valid photo ID.
  • Utility bill, bank statement, government check, paycheck, lease or mortgage, or government document with your name and current address.
  • Student ID plus mail addressed to your current residence, if you’re a student.

If you don’t have an Illinois ID or Social Security number, you can usually provide copies of acceptable documents (like a utility bill or government document with your name and address) with your registration or when you first vote to complete your registration.

Do you need ID to actually vote?

Once you are registered, most Illinois voters do not have to show ID at the polling place for regular in‑person voting.

You may be asked for ID if:

  • You are voting for the first time in that jurisdiction and you registered by mail or your registration is incomplete.
  • You are using same‑day (Election Day) registration or grace‑period registration and are registering and voting at the same time.

In those cases, acceptable IDs are similar to the registration list: lease or rent agreement, paycheck, bank statement, utility bill, valid photo ID, government check, student ID with mail to your address, or any government document with your name and current address.

Key dates and “what to bring” for 2026

For the March 17, 2026 Illinois primary , recent guides note:

  • You must be registered (with regular deadlines varying by method), but Illinois also offers grace‑period and Election Day registration where you register and vote at the same time, with proper ID.
  • Illinois does not require routine voter ID to cast a ballot, except in the special situations above.

So, in practical terms, what you “need” to vote in Illinois is:

  • To meet eligibility rules (citizen, age, residency).
  • To be properly registered , or bring the required ID documents if you are registering and voting at the same time or voting for the first time with an incomplete registration.

Information gathered from public forums or data available on the internet and portrayed here.